I like to say that the strange and fun vehicles that we dredge up each week for the Awesomely Weird Alibaba Electric Vehicle of the Week column cover everything on land, sea and even in the air. But every now and again we go past mere wheels, wings and hulls to something truly category-defying. I’m not sure how to classify this electrically-powered backyard rollercoaster this week, but I sure am glad that it exists. More…